Frequently Asked Blue Light Therapy Questions

What Is Blue Light Therapy?

Blue Light Therapy is a skincare treatment that uses a specific wavelength of blue light to support clearer, healthier-looking skin. Unlike Red Light Therapy, which focuses on supporting healthy collagen production and reducing the appearance of fine lines, Blue Light Therapy is best known for targeting the bacteria that can contribute to pimples and zits. This gentle, non-invasive treatment is often used on the face and other areas where breakouts are common. Many people use Blue Light Therapy on its own, or combine it with Red Light Therapy for a more comprehensive approach to skin wellness.

What Are the Benefits of Blue Light Therapy?

Blue Light Therapy offers several appearance-based benefits for your skin. Most notably, it helps reduce the look of pimples by targeting the bacteria that can cause them. This can lead to a clearer, more even-looking complexion. Blue Light Therapy may also help minimize the appearance of oiliness and support a smoother skin texture. When used consistently, you may notice that your skin looks calmer and less irritated. Some people also use Blue Light Therapy to help fade the look of post-pimple marks and support a more radiant appearance overall.

Is Blue Light Therapy Safe?

When used as directed, Blue Light Therapy is generally considered safe for most skin types. Devices like the Solawave Bye Acne™ handheld are designed for at-home use and feature gentle, targeted light that does not damage the skin’s surface. Some people may experience mild, temporary redness after use, but this usually fades quickly. If you have sensitive skin or are using prescription skincare products, it’s a good idea to check with your dermatologist before starting Blue Light Therapy. Avoid using Blue Light Therapy if you are pregnant, breastfeeding, or taking medications that make your skin more sensitive to light.

Is Blue Light Therapy Safe During Pregnancy?

Blue Light Therapy is not recommended during pregnancy or while breastfeeding. Because your skin can be more sensitive during these times, and there is not enough research on how Blue Light Therapy may affect developing babies, it’s best to wait until after pregnancy and breastfeeding before starting this treatment.

Can Blue Light Therapy Make Pimples Worse?

Blue Light Therapy is designed to improve the appearance of pimples, not make them worse. By targeting the bacteria that can cause zits, Blue Light Therapy helps reduce the look of active breakouts and supports a clearer complexion. Devices like the Solawave Bye Acne™ 3-Minute Pimple Spot Treatment use Blue Light to help minimize the appearance of pimples quickly and gently. If you notice increased irritation or discomfort, pause use and consult a skincare professional.

Is Blue Light a Laser?

No, Blue Light is not a laser. Blue Light Therapy uses a safe, visible blue light that does not cut or burn the skin. Unlike lasers, which use focused beams of light to target deeper layers, Blue Light Therapy works on the surface to support clearer-looking skin. At-home devices are designed to be gentle and easy to use, making them a convenient option for daily skincare routines.

Can Blue Light Therapy Cause Dark Spots?

Blue Light Therapy is not known to cause dark spots. In fact, by helping to reduce the appearance of pimples, it can help prevent the look of post-pimple marks that sometimes appear after a breakout. If you have concerns about dark spots or uneven skin tone, consider pairing Blue Light Therapy with other gentle skincare products that support a more even-looking complexion.

Can You Use Blue Light Therapy With Retinol?

You can use Blue Light Therapy with retinol, but it’s important to pay attention to how your skin responds. Both Blue Light Therapy and retinol can make your skin more sensitive, so start slowly and use a gentle moisturizer to support your skin barrier. If you notice redness or irritation, try alternating days or consult with a skincare professional for personalized advice. Always use sunscreen during the day, as both treatments can increase your skin’s sensitivity to sunlight.

How Does Blue Light Therapy Work for Acne?

Blue Light Therapy targets the bacteria (specifically P. acnes) that can contribute to pimples and zits. When the blue light penetrates your skin, it helps destroy these bacteria and supports balanced oil production. This process helps you achieve a clearer, healthier-looking complexion over time.

What Skin Concerns Can Blue Light Therapy Address?

Blue Light Therapy is best known for reducing the appearance of pimples, but it can also help with oiliness. The Red Light Therapy that's also built into the Bye Ace device additionally helps to target redness and the look of post-pimple marks. While the device is not designed to treat blackheads directly, it can help minimize the conditions that lead to clogged pores.

Can Blue Light Therapy Help With Blackheads?

Blue Light Therapy primarily targets acne-causing bacteria and excess oil, which can contribute to the formation of blackheads. While it may not remove blackheads instantly, consistent use can help reduce the likelihood of new blackheads forming by keeping pores clearer.

How Often Should You Use Blue Light Therapy?

For best results, use your Blue Light Therapy device daily or as recommended by the manufacturer. Devices like the Solawave Bye Acne™ handheld are designed for quick, targeted treatments—just three minutes per spot. Consistency is key for maintaining a clearer complexion.

Is Blue Light Therapy Suitable for All Skin Types?

Blue Light Therapy is generally safe for most skin types, including sensitive skin. However, if you have very dark skin (Fitzpatrick Skin Type V or VI), consult with a dermatologist before use, as some devices may not be recommended for these skin tones.

Are There Any Side Effects of Blue Light Therapy?

Most people experience little to no side effects. Occasionally, you may notice mild redness or temporary dryness after treatment. These effects usually fade quickly. If you experience discomfort or irritation, pause use and consult a skincare professional.

Can Blue Light Therapy Be Used With Other Skincare Products?

Yes, Blue Light Therapy can be used alongside most serums, moisturizers, and sunscreen. If you’re using strong actives like retinol or acids, start slowly and monitor your skin’s response. Always apply sunscreen during the day, as your skin may be more sensitive to sunlight.

How Is Blue Light Therapy Different From Red Light Therapy?

Blue Light Therapy is designed to target acne-causing bacteria and reduce oiliness, making it ideal for managing pimples and oily skin. Red Light Therapy, on the other hand, supports healthy collagen production and helps reduce the look of redness and signs of skin aging. Many people combine both therapies for a more complete skincare routine.

What Makes the Solawave Bye Acne™ Device Unique?

The Solawave Bye Acne™ device combines both Blue Light and Red Light Therapy in a single, portable tool. It’s FDA-cleared, gentle, and designed for targeted spot treatments. The device is easy to use, rechargeable, and comes with serum-infused Microdart Patches to help soothe and calm your skin after treatment.

Who Should Not Use Blue Light Therapy Devices?

Do not use Blue Light Therapy devices if you are under 18, pregnant, breastfeeding, have a history of seizures or photosensitivity, have an implanted medical device, or have a known allergy to plastics or aluminum. If you have recently had injectable treatments or surgery, or have any medical concerns, consult your physician before use.

How Do You Clean and Care for Your Blue Light Therapy Device?

After each use, gently wipe down your device with a soft, dry cloth or a device-friendly wipe. Do not submerge the device in water or use harsh cleaning agents. Store it in a cool, dry place to keep it ready for your next session.

How Long Does It Take to See Results From Blue Light Therapy?

Some people notice visible improvements in the appearance of active pimples within a few days of consistent use. For others, it may take several weeks of regular treatment to see the best results. Everyone’s skin is unique, so results can vary.

Can Blue Light Therapy Be Used on Other Parts of the Body?

Yes, Blue Light Therapy can be used on areas beyond the face, such as the back, chest, or shoulders—anywhere you experience pimples or breakouts. Always follow the device instructions for safe and effective use.